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Fiddler

Free by Eric Lawrence | Link to website

Fiddler is a Web Debugging Proxy which logs all HTTP(S) traffic between your computer and the Internet. Fiddler allows you to inspect all HTTP(S) traffic, set breakpoints, and "fiddle" with incoming or outgoing data. Fiddler includes a powerful event-based scripting subsystem, and can be extended using any .NET language. Fiddler is freeware and can debug traffic from virtually any application, including Internet Explorer, Mozilla Firefox, Opera, and thousands more. More info »

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debugging, traffic-monitor, http-monitoring

+3 more

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It's awesome that you want to help us remove incorrect alternatives. Feel free to report more applications below. But keep in mind that the only reason for an alternative not to be valid is if it doesn't share common functionality with Fiddler. It might not be a good choice according to you but it’s still an alternative. Read more about our thoughts about alternatives here.

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332likes

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Firebug

Open Source by Joe Hewitt |
Mac, Windows, Linux

Not an alternative?

Firebug integrates with Firefox to put a wealth of web development tools at your fingertips while you browse. You can edit, debug, and monitor CSS, HTML, and JavaScript live in any web page. Firebug is...

Development, Web Browsers plugin / add-on, html, css, debugger, javascipt
300likes

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Wireshark

Open Source |
Mac, Windows, Linux

Not an alternative?

Wireshark is the world's foremost network protocol analyzer. It lets you capture and interactively browse the traffic running on a computer network. It is the de facto (and often de jure) standard across...

Security & Privacy analysis, analyzer, network-analyzer, sniffer
+4 more network-security, packet-capture, protocol, troubleshooting
59likes

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Google Chrome Developer Tools

Open Source by Google |
Mac, Windows, Linux

Not an alternative?

The Google Chrome Developer Tools provide an integrated environment for debugging, optimizing, and understanding a web application, or website, running in Google Chrome. The developer tools are developed...

Development javascript, developer-tools, html5, developer, css3
+1 more dom
16likes

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Charles

Free* by Karl von Randow |
Mac, Windows, Linux

Not an alternative?

Charles is an HTTP proxy / HTTP monitor / Reverse Proxy that enables a developer to view all of the HTTP and SSL / HTTPS traffic between their machine and the Internet. This includes requests, responses and...

Development, Security & Privacy proxy, http, analyzer, debugging
6likes

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Burp Proxy

Free* by PortSwigger Ltd. |
Mac, Windows, Linux

Not an alternative?

Burp Proxy is an interactive HTTP/S proxy server for attacking and testing web applications. It operates as a man-in-the-middle between the end browser and the target web server, and allows the user to...

Development, Security & Privacy security, proxy, debugging
5likes

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HttpFox

Free by Martin Theimer |
Mac, Windows, Linux

Not an alternative?

HttpFox monitors and analyzes all incoming and outgoing HTTP traffic between the browser and the web servers. It aims to bring the functionality known from tools like HttpWatch or IEInspector to the Firefox...

Web Browsers plugin / add-on Firefox and Firefox-based browsers extension., http-monitoring, http-debug
5likes

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WebScarab

Open Source by OWASP |
Mac, Windows, Linux

Not an alternative?

There is no shiny red button on WebScarab, it is a tool primarily designed to be used by people who can write code themselves, or at least have a pretty good understanding of the HTTP protocol. If that sounds...

Security & Privacy proxy, http, security-suite, http-debug
4likes

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HttpWatch

Free* by Simtec Limited |
Windows

Not an alternative?

HttpWatch is an HTTP viewer and debugger that integrates with IE and Firefox to provide seamless HTTP and HTTPS monitoring without leaving the browser window. It's available as a free edition and a PRO...

Development development, web-development, http, https, debugger
4likes

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NetworkMiner

Free* |
Windows

Not an alternative?

NetworkMiner is a Network Forensic Analysis Tool (NFAT) for Windows. NetworkMiner can be used as a passive network sniffer/packet capturing tool in order to detect operating systems, sessions, hostnames, open...

Security & Privacy portable, internet-security, network-analyzer
+3 more network-security, sniffer, forensics
2likes

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Zed Attack Proxy

Open Source |
Mac, Windows, Linux

Not an alternative?

The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications. It is designed to be used by people with a wide range of security experience...

Security & Privacy proxy, penetration-testing, web-proxy, xss
+4 more sql-injection, owasp, fuzzer, zap
3likes

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Andiparos

Open Source |
Mac, Windows, Linux

Not an alternative?

Andiparos is a fork of the famous Paros Proxy. It is an open source web application security assessment tool that gives penetration testers the ability to spider websites, analyze content, intercept and modify...

Development, Security & Privacy security, proxy, http, analyzer, debugging
2likes

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Graphical HTTP Client

Commercial |
Mac

Not an alternative?

HTTP Client is a Mac OS X Leopard developer tool for debugging HTTP services by graphically creating and inspecting complex HTTP messages.

http, http-client, httpclient
1like

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Pirni Pro

Commercial by Axel Moller |
iPhone

Not an alternative?

Pirni Pro is a network security tool designed for iOS, and specifically for iPhone and iPod Touch devices. It is capable of intercepting traffic on a wireless network segment, capturing passwords, and regular...

Network & Admin, Security & Privacy jailbreak Jailbreak is required., wifi, http, regex, network-analyzer, wlan
+14 more network-scanner, hacking, network-security, packet-capture, mobile-security, cookies, arp, filtering, url-sniffer, arp-replacement, packet-sniffer, arp-protocol, network-spoof, pcap
1like

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SmartSniff

Free by Nir Sofer |
Windows

Not an alternative?

SmartSniff is a packet sniffer that capture TCP/IP packets and display them as sequence of conversations between clients and servers. You can view the TCP/IP conversations in Ascii mode (for text-based...

portable, monitoring, sniffer, tcp, sniffing, socks
+3 more packet, winpcap, sockets
1like

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RESTtest

Commercial by Edentech |
Mac

Not an alternative?

RESTtest is a simple yet intuitive way to test RESTful web services and standard HTTP calls. RESTtest allows you to enter a HTTP request body and any necessary headers. After the request is submitted,...

Development, Office & Productivity developer-tools
3likes

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HTTPScoop

Commercial by tuffcode |
Mac

Not an alternative?

HTTP Scoop is a mac only program - somewhat similar to fiddler on the Windows Platform. Basically it is a specialized network sniffer that displays requests to websites along with the response, and makes it...

sniffer, http-monitoring
0likes

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IEWatch

Commercial by IEWatch Software LLC. |
Windows

Not an alternative?

IEWatch is a plug-in for Microsoft Internet Explorer that helps you achieve your web development and web analysis tasks more efficiently.

Development html-editor, https, web-testing, functional-testing
+2 more http-proxy, web-test
0likes

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LANGuardian

Free* |
Mac, Windows, Linux

Not an alternative?

NetFort LANGuardian monitors bandwidth, Windows file shares, and Internet activity on your network.

Network & Admin, Security & Privacy network-monitoring, network-security
+5 more traffic-analysis, hipaa-compliance, network-analysis, bandwidth-troubleshooting, file-share-monitoring
0likes

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Rest Client

Free by Dilmer Valecillos |
Mac

Not an alternative?

Rest Client feature rich rest client for developers to debug and test their RESTful web services. It can be used to request a URL using the following HTTP methods:...

Development developer-tools, rest-api, http-debug
0likes

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GraphicalHttpClient

Commercial by Spencer Uresk |
Mac

Not an alternative?

Graphical Http Client is a utility to help you test and interact with REST-based web services. It is lightweight, easy-to-use, and has the following features: - Set request headers and body, then see the...

Development developer-tools

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Comparison to Firebug and Wireshark
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